<!DOCTYPE HTML>
<html class="reftest-wait">
<head>
<title>Delayed image reftest wrapper</title>
</head>
<body>
<!-- non-empty alt to avoid the broken image icon -->
<img id="image1" alt=" ">
<script>
// This loads a externally specified image, forces a draw (in case of
// decode-on-draw), waits 100ms, and then triggers the reftest snapshot.
// This allows the animation on the page to complete.
//
// Use as "delaytest.html?animation.png"
//

// Get the image URL from our URL
var imgURL = document.location.search.substr(1);

// Load the image
var img = document.images[0];
img.src = imgURL;
img.onload = forceDecode;

function forceDecode() {

  // We need to force drawing of the image in an invisible context
  var canvas = document.createElement("canvas");
  var ctx = canvas.getContext("2d");
  ctx.drawImage(img, 0, 0);

  // We've force the decode. start the timer to trigger the reftest
  startTimer();
}

function startTimer() {
  const delay = 100;
  setTimeout("document.documentElement.className = '';", delay);
}
</script>
</body>
</html>
